Researchers drastically increased the toughness of a T-shirt by combining the carbon in the shirt’s cotton with boron – the 3rd hardest material on earth. The result is a lightweight shirt reinforced with boron carbide, the same material used to protect tanks.

dipping in a boron solution results in a fabric that’s lightweight but tougher and stiffer than the original T-shirt, yet flexible enough that it can be bent.

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